please please answer both questions!!

What will be the seasonal index for Quarter 1 if sales in 4 quarters are 240,250,260,280 respectively? 1) 0.932 O 2 2) 0.25 03) 0.822 4) 0.40 What will be the seasonal index for Quarter 1 if sales in 4 quarters are 240,250,260,280 respectively? 1) 0.932 2) 0.25 3) 0.822 4) 0.40